Boss
Oil Intervals Longer Than One Year-- Thoughts??
I just got my Blackstone report back from my latest oil change. I changed the oil out after only 4k miles because it had been in the motor for one year.
The oil was in phenomenal shape (which is great news) but I got an interesting recommendation in the Blackstone Report. They recommend I leave the oil in for 10k miles, even if it is in for longer than a year.
Not sure how I feel about this. Thoughts and opinions??
-Be yourself; everyone else is already taken.
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Campieri
Chemicals break down over time, I change oil at a minimum of once a year just for peace of mind. It's not as important as back when we used dino oil but still important to change on a regular basis
Boss
Kind of how I felt. Cheap insurance in my mind...Originally Posted by Hermes
-Be yourself; everyone else is already taken.
ZHP Pre-Ride Briefing
2005 ZHP, Alcantara, Silver Cube, Nav, Sharked, BMW Perf Intake, BMW Perf CF Strut Brace, CF Valve/Fuel Rail Covers,
Shadowline Grills, CF Splitters, Fog Light Inserts, Euro-mirrors, CDV Delete, Beisan vanos, GAS DISA, BP Coded
Campieri
Exactly. I like the peace of mind I get from having fresh fluids even if my old ones are technically still good
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But the Blackstone folks say otherwise?
"No flamesuit required"
Call Me Dane l 2/2004 330i ZHP l 18x8 ET45 BBS CK's wrapped with Michelin Pilot Sport AS3+ @ 245-40-18 l KW V1 Coilovers in front l KW V1 springs w/ Bilstein B8 dampeners in rear l BMW Performance Rotors l UUC StrutBarbarian l Racing Dynamics Rear Strut Bar l Jim Conforti Shark Injector l Light Birch Interior Trim l Bimmian Celly Mount l M3 Trunk Mat l l e90 Performance E-Brake & Shift Knob l M3 Tri-Stitched Boots l AL Headlight Retrofit with ZKW Lenses l CobyWheel Wrap w/M3 Stitching l LCM sw 4.5 triple blink and rear fogs l Maple Interior Trim
Boss
They definitely do:
"Oil doesn't go bad with age in modern engines, so leaving the oil in use for 1
year shouldn't make any noticeable difference. That seems to be the case for your BMW, because wear
looks great in this latest sample."
-Be yourself; everyone else is already taken.
ZHP Pre-Ride Briefing
2005 ZHP, Alcantara, Silver Cube, Nav, Sharked, BMW Perf Intake, BMW Perf CF Strut Brace, CF Valve/Fuel Rail Covers,
Shadowline Grills, CF Splitters, Fog Light Inserts, Euro-mirrors, CDV Delete, Beisan vanos, GAS DISA, BP Coded
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Right. So why not bump it up to 18 months and send in another sample?
"No flamesuit required"
Call Me Dane l 2/2004 330i ZHP l 18x8 ET45 BBS CK's wrapped with Michelin Pilot Sport AS3+ @ 245-40-18 l KW V1 Coilovers in front l KW V1 springs w/ Bilstein B8 dampeners in rear l BMW Performance Rotors l UUC StrutBarbarian l Racing Dynamics Rear Strut Bar l Jim Conforti Shark Injector l Light Birch Interior Trim l Bimmian Celly Mount l M3 Trunk Mat l l e90 Performance E-Brake & Shift Knob l M3 Tri-Stitched Boots l AL Headlight Retrofit with ZKW Lenses l CobyWheel Wrap w/M3 Stitching l LCM sw 4.5 triple blink and rear fogs l Maple Interior Trim
Campieri
I don't agree, oil still goes bad. It might take longer but it's not good indefinitely. I still change my oil every 5k even if it may be good for longer
Wiseguy
1 year or 7500 miles which ever comes first.
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What studies and empirical evidence do you personally have regarding this?
I was not implying he not change it indefinetely (I recommended 18 months).
I know I'm pushing the envelope here, but I'm just curious why we always think we know better than the experts.
Do you perhaps have a link to research that says oil is chemically bad after "x months"?
I'd be curious to see a 15 month oil sample followed by an 18 month oil sample.
"No flamesuit required"
Call Me Dane l 2/2004 330i ZHP l 18x8 ET45 BBS CK's wrapped with Michelin Pilot Sport AS3+ @ 245-40-18 l KW V1 Coilovers in front l KW V1 springs w/ Bilstein B8 dampeners in rear l BMW Performance Rotors l UUC StrutBarbarian l Racing Dynamics Rear Strut Bar l Jim Conforti Shark Injector l Light Birch Interior Trim l Bimmian Celly Mount l M3 Trunk Mat l l e90 Performance E-Brake & Shift Knob l M3 Tri-Stitched Boots l AL Headlight Retrofit with ZKW Lenses l CobyWheel Wrap w/M3 Stitching l LCM sw 4.5 triple blink and rear fogs l Maple Interior Trim
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